Question

(x-3x-6)x(1-0.8)=13.2的计算过程

Answer 1

(x-3x-6)x(1-0.8)=13.2

(-2x-6)*0.2=13.2

-2x-6=13.2/0.2

-2x-6=66

-2x=66+6

-2x=72

x=72/(-2)

x=-36